add stat computation with filters method draft

app/src/main/java/net/pokeranalytics/android/calculus/Calculator.kt

@@ -2,6 +2,7 @@ package net.pokeranalytics.android.calculus
 
 import net.pokeranalytics.android.calculus.Stat.*
 import net.pokeranalytics.android.model.realm.ComputableResult
+import net.pokeranalytics.android.model.realm.Filter
 import net.pokeranalytics.android.model.realm.SessionSet
 import timber.log.Timber
 import java.util.*
@@ -58,10 +59,19 @@ class Calculator {
 
 	companion object {
 
-//		fun computePreAggregation(sets: List<SessionSet>, options: Options): List<ComputedResults> {
-//			Timber.d("sets = ${sets.size}")
-//			return listOf()
-//		}
+		fun computeStatsWithFilters(filters: List<Filter>, options: Options): List<ComputedResults> {
+
+			var computableGroups: MutableList<ComputableGroup> = mutableListOf()
+			filters.forEach { filter ->
+
+				val results = filter.realm.where(ComputableResult::class.java).findAll()
+				val sets = filter.realm.where(SessionSet::class.java).findAll()
+				val group = ComputableGroup(filter.name, results, sets)
+				computableGroups.add(group)
+
+			}
+			return Calculator.computeGroups(computableGroups, options)
+		}
 
 		/**
 		 * Computes all stats for list of Session sessionGroup
@@ -176,7 +186,8 @@ class Calculator {
 			val sessionSets = computableGroup.sets
 
 			// Compute for each serie
-			val gHourlyDuration = sessionSets.sum(SessionSet.Field.NET_DURATION.identifier).toDouble() / 3600000 // (milliseconds to hours)
+			val gHourlyDuration =
+				sessionSets.sum(SessionSet.Field.NET_DURATION.identifier).toDouble() / 3600000 // (milliseconds to hours)
 			val gSum = sessionSets.sum(SessionSet.Field.RATED_NET.identifier).toDouble()
 			val gTotalHands = sessionSets.sum(SessionSet.Field.ESTIMATED_HANDS.identifier).toDouble()
 			val gBBSum = sessionSets.sum(SessionSet.Field.BB_NET.identifier).toDouble()